30925840

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^1\times {\mathrm{113}}^1\times {\mathrm{311}}^1$

素因数の和:448

約数の個数: 80

約数和(自身を含む): 79387776

約数和(自身を除く): 48461936

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 40, 44, 55, 80, 88, 110, 113, 176, 220, 226, 311, 440, 452, 565, 622, 880, 904, 1130, 1243, 1244, 1555, 1808, 2260, 2486, 2488, 3110, 3421, 4520, 4972, 4976, 6215, 6220, 6842, 9040, 9944, 12430, 12440, 13684, 17105, 19888, 24860, 24880, 27368, 34210, 35143, 49720, 54736, 68420, 70286, 99440, 136840, 140572, 175715, 273680, 281144, 351430, 386573, 562288, 702860, 773146, 1405720, 1546292, 1932865, 2811440, 3092584, 3865730, 6185168, 7731460, 15462920, 30925840]

約数ペア:

[(1, 30925840), (2, 15462920), (4, 7731460), (5, 6185168), (8, 3865730), (10, 3092584), (11, 2811440), (16, 1932865), (20, 1546292), (22, 1405720), (40, 773146), (44, 702860), (55, 562288), (80, 386573), (88, 351430), (110, 281144), (113, 273680), (176, 175715), (220, 140572), (226, 136840), (311, 99440), (440, 70286), (452, 68420), (565, 54736), (622, 49720), (880, 35143), (904, 34210), (1130, 27368), (1243, 24880), (1244, 24860), (1555, 19888), (1808, 17105), (2260, 13684), (2486, 12440), (2488, 12430), (3110, 9944), (3421, 9040), (4520, 6842), (4972, 6220), (4976, 6215)]